80230000

素因数分解:

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

素因数の和:212

約数の個数: 100

約数和(自身を含む): 198723888

約数和(自身を除く): 118493888

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 71, 80, 100, 113, 125, 142, 200, 226, 250, 284, 355, 400, 452, 500, 565, 568, 625, 710, 904, 1000, 1130, 1136, 1250, 1420, 1775, 1808, 2000, 2260, 2500, 2825, 2840, 3550, 4520, 5000, 5650, 5680, 7100, 8023, 8875, 9040, 10000, 11300, 14125, 14200, 16046, 17750, 22600, 28250, 28400, 32092, 35500, 40115, 44375, 45200, 56500, 64184, 70625, 71000, 80230, 88750, 113000, 128368, 141250, 142000, 160460, 177500, 200575, 226000, 282500, 320920, 355000, 401150, 565000, 641840, 710000, 802300, 1002875, 1130000, 1604600, 2005750, 3209200, 4011500, 5014375, 8023000, 10028750, 16046000, 20057500, 40115000, 80230000]

約数ペア:

[(1, 80230000), (2, 40115000), (4, 20057500), (5, 16046000), (8, 10028750), (10, 8023000), (16, 5014375), (20, 4011500), (25, 3209200), (40, 2005750), (50, 1604600), (71, 1130000), (80, 1002875), (100, 802300), (113, 710000), (125, 641840), (142, 565000), (200, 401150), (226, 355000), (250, 320920), (284, 282500), (355, 226000), (400, 200575), (452, 177500), (500, 160460), (565, 142000), (568, 141250), (625, 128368), (710, 113000), (904, 88750), (1000, 80230), (1130, 71000), (1136, 70625), (1250, 64184), (1420, 56500), (1775, 45200), (1808, 44375), (2000, 40115), (2260, 35500), (2500, 32092), (2825, 28400), (2840, 28250), (3550, 22600), (4520, 17750), (5000, 16046), (5650, 14200), (5680, 14125), (7100, 11300), (8023, 10000), (8875, 9040)]