87507940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{8209}}^1$

素因数の和:8272

約数の個数: 48

約数和(自身を含む): 202754160

約数和(自身を除く): 115246220

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 41, 52, 65, 82, 130, 164, 205, 260, 410, 533, 820, 1066, 2132, 2665, 5330, 8209, 10660, 16418, 32836, 41045, 82090, 106717, 164180, 213434, 336569, 426868, 533585, 673138, 1067170, 1346276, 1682845, 2134340, 3365690, 4375397, 6731380, 8750794, 17501588, 21876985, 43753970, 87507940]

約数ペア:

[(1, 87507940), (2, 43753970), (4, 21876985), (5, 17501588), (10, 8750794), (13, 6731380), (20, 4375397), (26, 3365690), (41, 2134340), (52, 1682845), (65, 1346276), (82, 1067170), (130, 673138), (164, 533585), (205, 426868), (260, 336569), (410, 213434), (533, 164180), (820, 106717), (1066, 82090), (2132, 41045), (2665, 32836), (5330, 16418), (8209, 10660)]