100644680

素因数分解:

$2^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{19207}}^1$

素因数の和:19349

約数の個数: 32

約数和(自身を含む): 228191040

約数和(自身を除く): 127546360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 131, 262, 524, 655, 1048, 1310, 2620, 5240, 19207, 38414, 76828, 96035, 153656, 192070, 384140, 768280, 2516117, 5032234, 10064468, 12580585, 20128936, 25161170, 50322340, 100644680]

約数ペア:

[(1, 100644680), (2, 50322340), (4, 25161170), (5, 20128936), (8, 12580585), (10, 10064468), (20, 5032234), (40, 2516117), (131, 768280), (262, 384140), (524, 192070), (655, 153656), (1048, 96035), (1310, 76828), (2620, 38414), (5240, 19207)]