97805000

素因数分解:

$2^3\times 5^4\times {\mathrm{31}}^1\times {\mathrm{631}}^1$

素因数の和:688

約数の個数: 80

約数和(自身を含む): 236924160

約数和(自身を除く): 139119160

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 31, 40, 50, 62, 100, 124, 125, 155, 200, 248, 250, 310, 500, 620, 625, 631, 775, 1000, 1240, 1250, 1262, 1550, 2500, 2524, 3100, 3155, 3875, 5000, 5048, 6200, 6310, 7750, 12620, 15500, 15775, 19375, 19561, 25240, 31000, 31550, 38750, 39122, 63100, 77500, 78244, 78875, 97805, 126200, 155000, 156488, 157750, 195610, 315500, 391220, 394375, 489025, 631000, 782440, 788750, 978050, 1577500, 1956100, 2445125, 3155000, 3912200, 4890250, 9780500, 12225625, 19561000, 24451250, 48902500, 97805000]

約数ペア:

[(1, 97805000), (2, 48902500), (4, 24451250), (5, 19561000), (8, 12225625), (10, 9780500), (20, 4890250), (25, 3912200), (31, 3155000), (40, 2445125), (50, 1956100), (62, 1577500), (100, 978050), (124, 788750), (125, 782440), (155, 631000), (200, 489025), (248, 394375), (250, 391220), (310, 315500), (500, 195610), (620, 157750), (625, 156488), (631, 155000), (775, 126200), (1000, 97805), (1240, 78875), (1250, 78244), (1262, 77500), (1550, 63100), (2500, 39122), (2524, 38750), (3100, 31550), (3155, 31000), (3875, 25240), (5000, 19561), (5048, 19375), (6200, 15775), (6310, 15500), (7750, 12620)]