86812700

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1553}}^1$

素因数の和:1623

約数の個数: 72

約数和(自身を含む): 207726288

約数和(自身を除く): 120913588

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 43, 50, 52, 65, 86, 100, 130, 172, 215, 260, 325, 430, 559, 650, 860, 1075, 1118, 1300, 1553, 2150, 2236, 2795, 3106, 4300, 5590, 6212, 7765, 11180, 13975, 15530, 20189, 27950, 31060, 38825, 40378, 55900, 66779, 77650, 80756, 100945, 133558, 155300, 201890, 267116, 333895, 403780, 504725, 667790, 868127, 1009450, 1335580, 1669475, 1736254, 2018900, 3338950, 3472508, 4340635, 6677900, 8681270, 17362540, 21703175, 43406350, 86812700]

約数ペア:

[(1, 86812700), (2, 43406350), (4, 21703175), (5, 17362540), (10, 8681270), (13, 6677900), (20, 4340635), (25, 3472508), (26, 3338950), (43, 2018900), (50, 1736254), (52, 1669475), (65, 1335580), (86, 1009450), (100, 868127), (130, 667790), (172, 504725), (215, 403780), (260, 333895), (325, 267116), (430, 201890), (559, 155300), (650, 133558), (860, 100945), (1075, 80756), (1118, 77650), (1300, 66779), (1553, 55900), (2150, 40378), (2236, 38825), (2795, 31060), (3106, 27950), (4300, 20189), (5590, 15530), (6212, 13975), (7765, 11180)]