66930520

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1\times {\mathrm{241}}^1$

素因数の和:436

約数の個数: 64

約数和(自身を含む): 155247840

約数和(自身を除く): 88317320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 131, 212, 241, 262, 265, 424, 482, 524, 530, 655, 964, 1048, 1060, 1205, 1310, 1928, 2120, 2410, 2620, 4820, 5240, 6943, 9640, 12773, 13886, 25546, 27772, 31571, 34715, 51092, 55544, 63142, 63865, 69430, 102184, 126284, 127730, 138860, 157855, 252568, 255460, 277720, 315710, 510920, 631420, 1262840, 1673263, 3346526, 6693052, 8366315, 13386104, 16732630, 33465260, 66930520]

約数ペア:

[(1, 66930520), (2, 33465260), (4, 16732630), (5, 13386104), (8, 8366315), (10, 6693052), (20, 3346526), (40, 1673263), (53, 1262840), (106, 631420), (131, 510920), (212, 315710), (241, 277720), (262, 255460), (265, 252568), (424, 157855), (482, 138860), (524, 127730), (530, 126284), (655, 102184), (964, 69430), (1048, 63865), (1060, 63142), (1205, 55544), (1310, 51092), (1928, 34715), (2120, 31571), (2410, 27772), (2620, 25546), (4820, 13886), (5240, 12773), (6943, 9640)]