20795517280

素因数分解:

$2^5\times 5^1\times {\mathrm{2377}}^1\times {\mathrm{54679}}^1$

素因数の和:57071

約数の個数: 48

約数和(自身を含む): 49150977120

約数和(自身を除く): 28355459840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 2377, 4754, 9508, 11885, 19016, 23770, 38032, 47540, 54679, 76064, 95080, 109358, 190160, 218716, 273395, 380320, 437432, 546790, 874864, 1093580, 1749728, 2187160, 4374320, 8748640, 129971983, 259943966, 519887932, 649859915, 1039775864, 1299719830, 2079551728, 2599439660, 4159103456, 5198879320, 10397758640, 20795517280]

約数ペア:

[(1, 20795517280), (2, 10397758640), (4, 5198879320), (5, 4159103456), (8, 2599439660), (10, 2079551728), (16, 1299719830), (20, 1039775864), (32, 649859915), (40, 519887932), (80, 259943966), (160, 129971983), (2377, 8748640), (4754, 4374320), (9508, 2187160), (11885, 1749728), (19016, 1093580), (23770, 874864), (38032, 546790), (47540, 437432), (54679, 380320), (76064, 273395), (95080, 218716), (109358, 190160)]