28207660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1$

素因数の和:187

約数の個数: 96

約数和(自身を含む): 68584320

約数和(自身を除く): 40376660

約数列:

[1, 2, 4, 5, 10, 13, 20, 23, 26, 46, 52, 53, 65, 89, 92, 106, 115, 130, 178, 212, 230, 260, 265, 299, 356, 445, 460, 530, 598, 689, 890, 1060, 1157, 1196, 1219, 1378, 1495, 1780, 2047, 2314, 2438, 2756, 2990, 3445, 4094, 4628, 4717, 4876, 5785, 5980, 6095, 6890, 8188, 9434, 10235, 11570, 12190, 13780, 15847, 18868, 20470, 23140, 23585, 24380, 26611, 31694, 40940, 47170, 53222, 61321, 63388, 79235, 94340, 106444, 108491, 122642, 133055, 158470, 216982, 245284, 266110, 306605, 316940, 433964, 532220, 542455, 613210, 1084910, 1226420, 1410383, 2169820, 2820766, 5641532, 7051915, 14103830, 28207660]

約数ペア:

[(1, 28207660), (2, 14103830), (4, 7051915), (5, 5641532), (10, 2820766), (13, 2169820), (20, 1410383), (23, 1226420), (26, 1084910), (46, 613210), (52, 542455), (53, 532220), (65, 433964), (89, 316940), (92, 306605), (106, 266110), (115, 245284), (130, 216982), (178, 158470), (212, 133055), (230, 122642), (260, 108491), (265, 106444), (299, 94340), (356, 79235), (445, 63388), (460, 61321), (530, 53222), (598, 47170), (689, 40940), (890, 31694), (1060, 26611), (1157, 24380), (1196, 23585), (1219, 23140), (1378, 20470), (1495, 18868), (1780, 15847), (2047, 13780), (2314, 12190), (2438, 11570), (2756, 10235), (2990, 9434), (3445, 8188), (4094, 6890), (4628, 6095), (4717, 5980), (4876, 5785)]