86697080

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{503}}^1$

素因数の和:684

約数の個数: 64

約数和(自身を含む): 203212800

約数和(自身を除く): 116515720

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 139, 155, 248, 278, 310, 503, 556, 620, 695, 1006, 1112, 1240, 1390, 2012, 2515, 2780, 4024, 4309, 5030, 5560, 8618, 10060, 15593, 17236, 20120, 21545, 31186, 34472, 43090, 62372, 69917, 77965, 86180, 124744, 139834, 155930, 172360, 279668, 311860, 349585, 559336, 623720, 699170, 1398340, 2167427, 2796680, 4334854, 8669708, 10837135, 17339416, 21674270, 43348540, 86697080]

約数ペア:

[(1, 86697080), (2, 43348540), (4, 21674270), (5, 17339416), (8, 10837135), (10, 8669708), (20, 4334854), (31, 2796680), (40, 2167427), (62, 1398340), (124, 699170), (139, 623720), (155, 559336), (248, 349585), (278, 311860), (310, 279668), (503, 172360), (556, 155930), (620, 139834), (695, 124744), (1006, 86180), (1112, 77965), (1240, 69917), (1390, 62372), (2012, 43090), (2515, 34472), (2780, 31186), (4024, 21545), (4309, 20120), (5030, 17236), (5560, 15593), (8618, 10060)]