51300730

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{167}}^1$

素因数の和:343

約数の個数: 64

約数和(自身を含む): 106686720

約数和(自身を除く): 55385990

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 139, 167, 170, 221, 278, 334, 442, 695, 835, 1105, 1390, 1670, 1807, 2171, 2210, 2363, 2839, 3614, 4342, 4726, 5678, 9035, 10855, 11815, 14195, 18070, 21710, 23213, 23630, 28390, 30719, 36907, 46426, 61438, 73814, 116065, 153595, 184535, 232130, 301769, 307190, 369070, 394621, 603538, 789242, 1508845, 1973105, 3017690, 3946210, 5130073, 10260146, 25650365, 51300730]

約数ペア:

[(1, 51300730), (2, 25650365), (5, 10260146), (10, 5130073), (13, 3946210), (17, 3017690), (26, 1973105), (34, 1508845), (65, 789242), (85, 603538), (130, 394621), (139, 369070), (167, 307190), (170, 301769), (221, 232130), (278, 184535), (334, 153595), (442, 116065), (695, 73814), (835, 61438), (1105, 46426), (1390, 36907), (1670, 30719), (1807, 28390), (2171, 23630), (2210, 23213), (2363, 21710), (2839, 18070), (3614, 14195), (4342, 11815), (4726, 10855), (5678, 9035)]