4920320

素因数分解:

$2^{10}\times 5^1\times {\mathrm{31}}^2$

素因数の和:87

約数の個数: 66

約数和(自身を含む): 12196026

約数和(自身を除く): 7275706

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 512, 620, 640, 961, 992, 1024, 1240, 1280, 1922, 1984, 2480, 2560, 3844, 3968, 4805, 4960, 5120, 7688, 7936, 9610, 9920, 15376, 15872, 19220, 19840, 30752, 31744, 38440, 39680, 61504, 76880, 79360, 123008, 153760, 158720, 246016, 307520, 492032, 615040, 984064, 1230080, 2460160, 4920320]

約数ペア:

[(1, 4920320), (2, 2460160), (4, 1230080), (5, 984064), (8, 615040), (10, 492032), (16, 307520), (20, 246016), (31, 158720), (32, 153760), (40, 123008), (62, 79360), (64, 76880), (80, 61504), (124, 39680), (128, 38440), (155, 31744), (160, 30752), (248, 19840), (256, 19220), (310, 15872), (320, 15376), (496, 9920), (512, 9610), (620, 7936), (640, 7688), (961, 5120), (992, 4960), (1024, 4805), (1240, 3968), (1280, 3844), (1922, 2560), (1984, 2480)]