15400060

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{971}}^1$

素因数の和:1054

約数の個数: 48

約数和(自身を含む): 35435232

約数和(自身を除く): 20035172

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 61, 65, 122, 130, 244, 260, 305, 610, 793, 971, 1220, 1586, 1942, 3172, 3884, 3965, 4855, 7930, 9710, 12623, 15860, 19420, 25246, 50492, 59231, 63115, 118462, 126230, 236924, 252460, 296155, 592310, 770003, 1184620, 1540006, 3080012, 3850015, 7700030, 15400060]

約数ペア:

[(1, 15400060), (2, 7700030), (4, 3850015), (5, 3080012), (10, 1540006), (13, 1184620), (20, 770003), (26, 592310), (52, 296155), (61, 252460), (65, 236924), (122, 126230), (130, 118462), (244, 63115), (260, 59231), (305, 50492), (610, 25246), (793, 19420), (971, 15860), (1220, 12623), (1586, 9710), (1942, 7930), (3172, 4855), (3884, 3965)]