21508510160

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{100733}}^1$

素因数の和:100920

約数の個数: 80

約数和(自身を含む): 53286674256

約数和(自身を除く): 31778164096

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 157, 170, 272, 314, 340, 628, 680, 785, 1256, 1360, 1570, 2512, 2669, 3140, 5338, 6280, 10676, 12560, 13345, 21352, 26690, 42704, 53380, 100733, 106760, 201466, 213520, 402932, 503665, 805864, 1007330, 1611728, 1712461, 2014660, 3424922, 4029320, 6849844, 8058640, 8562305, 13699688, 15815081, 17124610, 27399376, 31630162, 34249220, 63260324, 68498440, 79075405, 126520648, 136996880, 158150810, 253041296, 268856377, 316301620, 537712754, 632603240, 1075425508, 1265206480, 1344281885, 2150851016, 2688563770, 4301702032, 5377127540, 10754255080, 21508510160]

約数ペア:

[(1, 21508510160), (2, 10754255080), (4, 5377127540), (5, 4301702032), (8, 2688563770), (10, 2150851016), (16, 1344281885), (17, 1265206480), (20, 1075425508), (34, 632603240), (40, 537712754), (68, 316301620), (80, 268856377), (85, 253041296), (136, 158150810), (157, 136996880), (170, 126520648), (272, 79075405), (314, 68498440), (340, 63260324), (628, 34249220), (680, 31630162), (785, 27399376), (1256, 17124610), (1360, 15815081), (1570, 13699688), (2512, 8562305), (2669, 8058640), (3140, 6849844), (5338, 4029320), (6280, 3424922), (10676, 2014660), (12560, 1712461), (13345, 1611728), (21352, 1007330), (26690, 805864), (42704, 503665), (53380, 402932), (100733, 213520), (106760, 201466)]