12778480

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1117}}^1$

素因数の和:1154

約数の個数: 80

約数和(自身を含む): 34935264

約数和(自身を除く): 22156784

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 40, 44, 52, 55, 65, 80, 88, 104, 110, 130, 143, 176, 208, 220, 260, 286, 440, 520, 572, 715, 880, 1040, 1117, 1144, 1430, 2234, 2288, 2860, 4468, 5585, 5720, 8936, 11170, 11440, 12287, 14521, 17872, 22340, 24574, 29042, 44680, 49148, 58084, 61435, 72605, 89360, 98296, 116168, 122870, 145210, 159731, 196592, 232336, 245740, 290420, 319462, 491480, 580840, 638924, 798655, 982960, 1161680, 1277848, 1597310, 2555696, 3194620, 6389240, 12778480]

約数ペア:

[(1, 12778480), (2, 6389240), (4, 3194620), (5, 2555696), (8, 1597310), (10, 1277848), (11, 1161680), (13, 982960), (16, 798655), (20, 638924), (22, 580840), (26, 491480), (40, 319462), (44, 290420), (52, 245740), (55, 232336), (65, 196592), (80, 159731), (88, 145210), (104, 122870), (110, 116168), (130, 98296), (143, 89360), (176, 72605), (208, 61435), (220, 58084), (260, 49148), (286, 44680), (440, 29042), (520, 24574), (572, 22340), (715, 17872), (880, 14521), (1040, 12287), (1117, 11440), (1144, 11170), (1430, 8936), (2234, 5720), (2288, 5585), (2860, 4468)]