66530440

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{44953}}^1$

素因数の和:45001

約数の個数: 32

約数和(自身を含む): 153742680

約数和(自身を除く): 87212240

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 740, 1480, 44953, 89906, 179812, 224765, 359624, 449530, 899060, 1663261, 1798120, 3326522, 6653044, 8316305, 13306088, 16632610, 33265220, 66530440]

約数ペア:

[(1, 66530440), (2, 33265220), (4, 16632610), (5, 13306088), (8, 8316305), (10, 6653044), (20, 3326522), (37, 1798120), (40, 1663261), (74, 899060), (148, 449530), (185, 359624), (296, 224765), (370, 179812), (740, 89906), (1480, 44953)]