20186851250

素因数分解:

$2^1\times 5^4\times {\mathrm{31}}^1\times {\mathrm{491}}^1\times {\mathrm{1061}}^1$

素因数の和:1605

約数の個数: 80

約数和(自身を含む): 39175259904

約数和(自身を除く): 18988408654

約数列:

[1, 2, 5, 10, 25, 31, 50, 62, 125, 155, 250, 310, 491, 625, 775, 982, 1061, 1250, 1550, 2122, 2455, 3875, 4910, 5305, 7750, 10610, 12275, 15221, 19375, 24550, 26525, 30442, 32891, 38750, 53050, 61375, 65782, 76105, 122750, 132625, 152210, 164455, 265250, 306875, 328910, 380525, 520951, 613750, 663125, 761050, 822275, 1041902, 1326250, 1644550, 1902625, 2604755, 3805250, 4111375, 5209510, 8222750, 9513125, 13023775, 16149481, 19026250, 20556875, 26047550, 32298962, 41113750, 65118875, 80747405, 130237750, 161494810, 325594375, 403737025, 651188750, 807474050, 2018685125, 4037370250, 10093425625, 20186851250]

約数ペア:

[(1, 20186851250), (2, 10093425625), (5, 4037370250), (10, 2018685125), (25, 807474050), (31, 651188750), (50, 403737025), (62, 325594375), (125, 161494810), (155, 130237750), (250, 80747405), (310, 65118875), (491, 41113750), (625, 32298962), (775, 26047550), (982, 20556875), (1061, 19026250), (1250, 16149481), (1550, 13023775), (2122, 9513125), (2455, 8222750), (3875, 5209510), (4910, 4111375), (5305, 3805250), (7750, 2604755), (10610, 1902625), (12275, 1644550), (15221, 1326250), (19375, 1041902), (24550, 822275), (26525, 761050), (30442, 663125), (32891, 613750), (38750, 520951), (53050, 380525), (61375, 328910), (65782, 306875), (76105, 265250), (122750, 164455), (132625, 152210)]