31744000

素因数分解:

$2^{13}\times 5^3\times {\mathrm{31}}^1$

素因数の和:72

約数の個数: 112

約数和(自身を含む): 81783936

約数和(自身を除く): 50039936

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 50, 62, 64, 80, 100, 124, 125, 128, 155, 160, 200, 248, 250, 256, 310, 320, 400, 496, 500, 512, 620, 640, 775, 800, 992, 1000, 1024, 1240, 1280, 1550, 1600, 1984, 2000, 2048, 2480, 2560, 3100, 3200, 3875, 3968, 4000, 4096, 4960, 5120, 6200, 6400, 7750, 7936, 8000, 8192, 9920, 10240, 12400, 12800, 15500, 15872, 16000, 19840, 20480, 24800, 25600, 31000, 31744, 32000, 39680, 40960, 49600, 51200, 62000, 63488, 64000, 79360, 99200, 102400, 124000, 126976, 128000, 158720, 198400, 204800, 248000, 253952, 256000, 317440, 396800, 496000, 512000, 634880, 793600, 992000, 1024000, 1269760, 1587200, 1984000, 3174400, 3968000, 6348800, 7936000, 15872000, 31744000]

約数ペア:

[(1, 31744000), (2, 15872000), (4, 7936000), (5, 6348800), (8, 3968000), (10, 3174400), (16, 1984000), (20, 1587200), (25, 1269760), (31, 1024000), (32, 992000), (40, 793600), (50, 634880), (62, 512000), (64, 496000), (80, 396800), (100, 317440), (124, 256000), (125, 253952), (128, 248000), (155, 204800), (160, 198400), (200, 158720), (248, 128000), (250, 126976), (256, 124000), (310, 102400), (320, 99200), (400, 79360), (496, 64000), (500, 63488), (512, 62000), (620, 51200), (640, 49600), (775, 40960), (800, 39680), (992, 32000), (1000, 31744), (1024, 31000), (1240, 25600), (1280, 24800), (1550, 20480), (1600, 19840), (1984, 16000), (2000, 15872), (2048, 15500), (2480, 12800), (2560, 12400), (3100, 10240), (3200, 9920), (3875, 8192), (3968, 8000), (4000, 7936), (4096, 7750), (4960, 6400), (5120, 6200)]