40115000

素因数分解:

$2^3\times 5^4\times {\mathrm{71}}^1\times {\mathrm{113}}^1$

素因数の和:210

約数の個数: 80

約数和(自身を含む): 96156720

約数和(自身を除く): 56041720

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 71, 100, 113, 125, 142, 200, 226, 250, 284, 355, 452, 500, 565, 568, 625, 710, 904, 1000, 1130, 1250, 1420, 1775, 2260, 2500, 2825, 2840, 3550, 4520, 5000, 5650, 7100, 8023, 8875, 11300, 14125, 14200, 16046, 17750, 22600, 28250, 32092, 35500, 40115, 44375, 56500, 64184, 70625, 71000, 80230, 88750, 113000, 141250, 160460, 177500, 200575, 282500, 320920, 355000, 401150, 565000, 802300, 1002875, 1604600, 2005750, 4011500, 5014375, 8023000, 10028750, 20057500, 40115000]

約数ペア:

[(1, 40115000), (2, 20057500), (4, 10028750), (5, 8023000), (8, 5014375), (10, 4011500), (20, 2005750), (25, 1604600), (40, 1002875), (50, 802300), (71, 565000), (100, 401150), (113, 355000), (125, 320920), (142, 282500), (200, 200575), (226, 177500), (250, 160460), (284, 141250), (355, 113000), (452, 88750), (500, 80230), (565, 71000), (568, 70625), (625, 64184), (710, 56500), (904, 44375), (1000, 40115), (1130, 35500), (1250, 32092), (1420, 28250), (1775, 22600), (2260, 17750), (2500, 16046), (2825, 14200), (2840, 14125), (3550, 11300), (4520, 8875), (5000, 8023), (5650, 7100)]