17386720

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^2\times {\mathrm{643}}^1$

素因数の和:684

約数の個数: 72

約数和(自身を含む): 44548056

約数和(自身を除く): 27161336

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 169, 208, 260, 338, 416, 520, 643, 676, 845, 1040, 1286, 1352, 1690, 2080, 2572, 2704, 3215, 3380, 5144, 5408, 6430, 6760, 8359, 10288, 12860, 13520, 16718, 20576, 25720, 27040, 33436, 41795, 51440, 66872, 83590, 102880, 108667, 133744, 167180, 217334, 267488, 334360, 434668, 543335, 668720, 869336, 1086670, 1337440, 1738672, 2173340, 3477344, 4346680, 8693360, 17386720]

約数ペア:

[(1, 17386720), (2, 8693360), (4, 4346680), (5, 3477344), (8, 2173340), (10, 1738672), (13, 1337440), (16, 1086670), (20, 869336), (26, 668720), (32, 543335), (40, 434668), (52, 334360), (65, 267488), (80, 217334), (104, 167180), (130, 133744), (160, 108667), (169, 102880), (208, 83590), (260, 66872), (338, 51440), (416, 41795), (520, 33436), (643, 27040), (676, 25720), (845, 20576), (1040, 16718), (1286, 13520), (1352, 12860), (1690, 10288), (2080, 8359), (2572, 6760), (2704, 6430), (3215, 5408), (3380, 5144)]