66800500

素因数分解:

$2^2\times 5^3\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{239}}^1$

素因数の和:314

約数の個数: 96

約数和(自身を含む): 161441280

約数和(自身を除く): 94640780

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 43, 50, 52, 65, 86, 100, 125, 130, 172, 215, 239, 250, 260, 325, 430, 478, 500, 559, 650, 860, 956, 1075, 1118, 1195, 1300, 1625, 2150, 2236, 2390, 2795, 3107, 3250, 4300, 4780, 5375, 5590, 5975, 6214, 6500, 10277, 10750, 11180, 11950, 12428, 13975, 15535, 20554, 21500, 23900, 27950, 29875, 31070, 41108, 51385, 55900, 59750, 62140, 69875, 77675, 102770, 119500, 133601, 139750, 155350, 205540, 256925, 267202, 279500, 310700, 388375, 513850, 534404, 668005, 776750, 1027700, 1284625, 1336010, 1553500, 2569250, 2672020, 3340025, 5138500, 6680050, 13360100, 16700125, 33400250, 66800500]

約数ペア:

[(1, 66800500), (2, 33400250), (4, 16700125), (5, 13360100), (10, 6680050), (13, 5138500), (20, 3340025), (25, 2672020), (26, 2569250), (43, 1553500), (50, 1336010), (52, 1284625), (65, 1027700), (86, 776750), (100, 668005), (125, 534404), (130, 513850), (172, 388375), (215, 310700), (239, 279500), (250, 267202), (260, 256925), (325, 205540), (430, 155350), (478, 139750), (500, 133601), (559, 119500), (650, 102770), (860, 77675), (956, 69875), (1075, 62140), (1118, 59750), (1195, 55900), (1300, 51385), (1625, 41108), (2150, 31070), (2236, 29875), (2390, 27950), (2795, 23900), (3107, 21500), (3250, 20554), (4300, 15535), (4780, 13975), (5375, 12428), (5590, 11950), (5975, 11180), (6214, 10750), (6500, 10277)]