72522580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{3821}}^1$

素因数の和:3916

約数の個数: 48

約数和(自身を含む): 166302864

約数和(自身を除く): 93780284

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 73, 130, 146, 260, 292, 365, 730, 949, 1460, 1898, 3796, 3821, 4745, 7642, 9490, 15284, 18980, 19105, 38210, 49673, 76420, 99346, 198692, 248365, 278933, 496730, 557866, 993460, 1115732, 1394665, 2789330, 3626129, 5578660, 7252258, 14504516, 18130645, 36261290, 72522580]

約数ペア:

[(1, 72522580), (2, 36261290), (4, 18130645), (5, 14504516), (10, 7252258), (13, 5578660), (20, 3626129), (26, 2789330), (52, 1394665), (65, 1115732), (73, 993460), (130, 557866), (146, 496730), (260, 278933), (292, 248365), (365, 198692), (730, 99346), (949, 76420), (1460, 49673), (1898, 38210), (3796, 19105), (3821, 18980), (4745, 15284), (7642, 9490)]