78483340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{3821}}^1$

素因数の和:3922

約数の個数: 48

約数和(自身を含む): 179786880

約数和(自身を除く): 101303540

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 79, 130, 158, 260, 316, 395, 790, 1027, 1580, 2054, 3821, 4108, 5135, 7642, 10270, 15284, 19105, 20540, 38210, 49673, 76420, 99346, 198692, 248365, 301859, 496730, 603718, 993460, 1207436, 1509295, 3018590, 3924167, 6037180, 7848334, 15696668, 19620835, 39241670, 78483340]

約数ペア:

[(1, 78483340), (2, 39241670), (4, 19620835), (5, 15696668), (10, 7848334), (13, 6037180), (20, 3924167), (26, 3018590), (52, 1509295), (65, 1207436), (79, 993460), (130, 603718), (158, 496730), (260, 301859), (316, 248365), (395, 198692), (790, 99346), (1027, 76420), (1580, 49673), (2054, 38210), (3821, 20540), (4108, 19105), (5135, 15284), (7642, 10270)]