39735280

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^2\times {\mathrm{2939}}^1$

素因数の和:2978

約数の個数: 60

約数和(自身を含む): 100071720

約数和(自身を除く): 60336440

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 169, 208, 260, 338, 520, 676, 845, 1040, 1352, 1690, 2704, 2939, 3380, 5878, 6760, 11756, 13520, 14695, 23512, 29390, 38207, 47024, 58780, 76414, 117560, 152828, 191035, 235120, 305656, 382070, 496691, 611312, 764140, 993382, 1528280, 1986764, 2483455, 3056560, 3973528, 4966910, 7947056, 9933820, 19867640, 39735280]

約数ペア:

[(1, 39735280), (2, 19867640), (4, 9933820), (5, 7947056), (8, 4966910), (10, 3973528), (13, 3056560), (16, 2483455), (20, 1986764), (26, 1528280), (40, 993382), (52, 764140), (65, 611312), (80, 496691), (104, 382070), (130, 305656), (169, 235120), (208, 191035), (260, 152828), (338, 117560), (520, 76414), (676, 58780), (845, 47024), (1040, 38207), (1352, 29390), (1690, 23512), (2704, 14695), (2939, 13520), (3380, 11756), (5878, 6760)]