28532680

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{3413}}^1$

素因数の和:3454

約数の個数: 64

約数和(自身を含む): 73742400

約数和(自身を除く): 45209720

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 38, 40, 44, 55, 76, 88, 95, 110, 152, 190, 209, 220, 380, 418, 440, 760, 836, 1045, 1672, 2090, 3413, 4180, 6826, 8360, 13652, 17065, 27304, 34130, 37543, 64847, 68260, 75086, 129694, 136520, 150172, 187715, 259388, 300344, 324235, 375430, 518776, 648470, 713317, 750860, 1296940, 1426634, 1501720, 2593880, 2853268, 3566585, 5706536, 7133170, 14266340, 28532680]

約数ペア:

[(1, 28532680), (2, 14266340), (4, 7133170), (5, 5706536), (8, 3566585), (10, 2853268), (11, 2593880), (19, 1501720), (20, 1426634), (22, 1296940), (38, 750860), (40, 713317), (44, 648470), (55, 518776), (76, 375430), (88, 324235), (95, 300344), (110, 259388), (152, 187715), (190, 150172), (209, 136520), (220, 129694), (380, 75086), (418, 68260), (440, 64847), (760, 37543), (836, 34130), (1045, 27304), (1672, 17065), (2090, 13652), (3413, 8360), (4180, 6826)]