72847840

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{35023}}^1$

素因数の和:35051

約数の個数: 48

約数和(自身を含む): 185347008

約数和(自身を除く): 112499168

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 35023, 70046, 140092, 175115, 280184, 350230, 455299, 560368, 700460, 910598, 1120736, 1400920, 1821196, 2276495, 2801840, 3642392, 4552990, 5603680, 7284784, 9105980, 14569568, 18211960, 36423920, 72847840]

約数ペア:

[(1, 72847840), (2, 36423920), (4, 18211960), (5, 14569568), (8, 9105980), (10, 7284784), (13, 5603680), (16, 4552990), (20, 3642392), (26, 2801840), (32, 2276495), (40, 1821196), (52, 1400920), (65, 1120736), (80, 910598), (104, 700460), (130, 560368), (160, 455299), (208, 350230), (260, 280184), (416, 175115), (520, 140092), (1040, 70046), (2080, 35023)]