266550440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{512597}}^1$

素因数の和:512621

約数の個数: 32

約数和(自身を含む): 645873480

約数和(自身を除く): 379323040

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 512597, 1025194, 2050388, 2562985, 4100776, 5125970, 6663761, 10251940, 13327522, 20503880, 26655044, 33318805, 53310088, 66637610, 133275220, 266550440]

約数ペア:

[(1, 266550440), (2, 133275220), (4, 66637610), (5, 53310088), (8, 33318805), (10, 26655044), (13, 20503880), (20, 13327522), (26, 10251940), (40, 6663761), (52, 5125970), (65, 4100776), (104, 2562985), (130, 2050388), (260, 1025194), (520, 512597)]