172825640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{2039}}^1$

素因数の和:2226

約数の個数: 64

約数和(自身を含む): 421545600

約数和(自身を除く): 248719960

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 163, 260, 326, 520, 652, 815, 1304, 1630, 2039, 2119, 3260, 4078, 4238, 6520, 8156, 8476, 10195, 10595, 16312, 16952, 20390, 21190, 26507, 40780, 42380, 53014, 81560, 84760, 106028, 132535, 212056, 265070, 332357, 530140, 664714, 1060280, 1329428, 1661785, 2658856, 3323570, 4320641, 6647140, 8641282, 13294280, 17282564, 21603205, 34565128, 43206410, 86412820, 172825640]

約数ペア:

[(1, 172825640), (2, 86412820), (4, 43206410), (5, 34565128), (8, 21603205), (10, 17282564), (13, 13294280), (20, 8641282), (26, 6647140), (40, 4320641), (52, 3323570), (65, 2658856), (104, 1661785), (130, 1329428), (163, 1060280), (260, 664714), (326, 530140), (520, 332357), (652, 265070), (815, 212056), (1304, 132535), (1630, 106028), (2039, 84760), (2119, 81560), (3260, 53014), (4078, 42380), (4238, 40780), (6520, 26507), (8156, 21190), (8476, 20390), (10195, 16952), (10595, 16312)]