133628560

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{128489}}^1$

素因数の和:128515

約数の個数: 40

約数和(自身を含む): 334587960

約数和(自身を除く): 200959400

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 128489, 256978, 513956, 642445, 1027912, 1284890, 1670357, 2055824, 2569780, 3340714, 5139560, 6681428, 8351785, 10279120, 13362856, 16703570, 26725712, 33407140, 66814280, 133628560]

約数ペア:

[(1, 133628560), (2, 66814280), (4, 33407140), (5, 26725712), (8, 16703570), (10, 13362856), (13, 10279120), (16, 8351785), (20, 6681428), (26, 5139560), (40, 3340714), (52, 2569780), (65, 2055824), (80, 1670357), (104, 1284890), (130, 1027912), (208, 642445), (260, 513956), (520, 256978), (1040, 128489)]