78543040

素因数分解:

$2^6\times 5^1\times {\mathrm{71}}^1\times {\mathrm{3457}}^1$

素因数の和:3545

約数の個数: 56

約数和(自身を含む): 189719712

約数和(自身を除く): 111176672

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 71, 80, 142, 160, 284, 320, 355, 568, 710, 1136, 1420, 2272, 2840, 3457, 4544, 5680, 6914, 11360, 13828, 17285, 22720, 27656, 34570, 55312, 69140, 110624, 138280, 221248, 245447, 276560, 490894, 553120, 981788, 1106240, 1227235, 1963576, 2454470, 3927152, 4908940, 7854304, 9817880, 15708608, 19635760, 39271520, 78543040]

約数ペア:

[(1, 78543040), (2, 39271520), (4, 19635760), (5, 15708608), (8, 9817880), (10, 7854304), (16, 4908940), (20, 3927152), (32, 2454470), (40, 1963576), (64, 1227235), (71, 1106240), (80, 981788), (142, 553120), (160, 490894), (284, 276560), (320, 245447), (355, 221248), (568, 138280), (710, 110624), (1136, 69140), (1420, 55312), (2272, 34570), (2840, 27656), (3457, 22720), (4544, 17285), (5680, 13828), (6914, 11360)]