66405040

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{953}}^1$

素因数の和:1046

約数の個数: 80

約数和(自身を含む): 168926688

約数和(自身を除く): 102521648

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 67, 80, 104, 130, 134, 208, 260, 268, 335, 520, 536, 670, 871, 953, 1040, 1072, 1340, 1742, 1906, 2680, 3484, 3812, 4355, 4765, 5360, 6968, 7624, 8710, 9530, 12389, 13936, 15248, 17420, 19060, 24778, 34840, 38120, 49556, 61945, 63851, 69680, 76240, 99112, 123890, 127702, 198224, 247780, 255404, 319255, 495560, 510808, 638510, 830063, 991120, 1021616, 1277020, 1660126, 2554040, 3320252, 4150315, 5108080, 6640504, 8300630, 13281008, 16601260, 33202520, 66405040]

約数ペア:

[(1, 66405040), (2, 33202520), (4, 16601260), (5, 13281008), (8, 8300630), (10, 6640504), (13, 5108080), (16, 4150315), (20, 3320252), (26, 2554040), (40, 1660126), (52, 1277020), (65, 1021616), (67, 991120), (80, 830063), (104, 638510), (130, 510808), (134, 495560), (208, 319255), (260, 255404), (268, 247780), (335, 198224), (520, 127702), (536, 123890), (670, 99112), (871, 76240), (953, 69680), (1040, 63851), (1072, 61945), (1340, 49556), (1742, 38120), (1906, 34840), (2680, 24778), (3484, 19060), (3812, 17420), (4355, 15248), (4765, 13936), (5360, 12389), (6968, 9530), (7624, 8710)]