40012800

素因数分解:

$2^{10}\times 3^1\times 5^2\times {\mathrm{521}}^1$

素因数の和:554

約数の個数: 132

約数和(自身を含む): 132498216

約数和(自身を除く): 92485416

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 32, 40, 48, 50, 60, 64, 75, 80, 96, 100, 120, 128, 150, 160, 192, 200, 240, 256, 300, 320, 384, 400, 480, 512, 521, 600, 640, 768, 800, 960, 1024, 1042, 1200, 1280, 1536, 1563, 1600, 1920, 2084, 2400, 2560, 2605, 3072, 3126, 3200, 3840, 4168, 4800, 5120, 5210, 6252, 6400, 7680, 7815, 8336, 9600, 10420, 12504, 12800, 13025, 15360, 15630, 16672, 19200, 20840, 25008, 25600, 26050, 31260, 33344, 38400, 39075, 41680, 50016, 52100, 62520, 66688, 76800, 78150, 83360, 100032, 104200, 125040, 133376, 156300, 166720, 200064, 208400, 250080, 266752, 312600, 333440, 400128, 416800, 500160, 533504, 625200, 666880, 800256, 833600, 1000320, 1250400, 1333760, 1600512, 1667200, 2000640, 2500800, 2667520, 3334400, 4001280, 5001600, 6668800, 8002560, 10003200, 13337600, 20006400, 40012800]

約数ペア:

[(1, 40012800), (2, 20006400), (3, 13337600), (4, 10003200), (5, 8002560), (6, 6668800), (8, 5001600), (10, 4001280), (12, 3334400), (15, 2667520), (16, 2500800), (20, 2000640), (24, 1667200), (25, 1600512), (30, 1333760), (32, 1250400), (40, 1000320), (48, 833600), (50, 800256), (60, 666880), (64, 625200), (75, 533504), (80, 500160), (96, 416800), (100, 400128), (120, 333440), (128, 312600), (150, 266752), (160, 250080), (192, 208400), (200, 200064), (240, 166720), (256, 156300), (300, 133376), (320, 125040), (384, 104200), (400, 100032), (480, 83360), (512, 78150), (521, 76800), (600, 66688), (640, 62520), (768, 52100), (800, 50016), (960, 41680), (1024, 39075), (1042, 38400), (1200, 33344), (1280, 31260), (1536, 26050), (1563, 25600), (1600, 25008), (1920, 20840), (2084, 19200), (2400, 16672), (2560, 15630), (2605, 15360), (3072, 13025), (3126, 12800), (3200, 12504), (3840, 10420), (4168, 9600), (4800, 8336), (5120, 7815), (5210, 7680), (6252, 6400)]