72560540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{3823}}^1$

素因数の和:3918

約数の個数: 48

約数和(自身を含む): 166389888

約数和(自身を除く): 93829348

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 73, 130, 146, 260, 292, 365, 730, 949, 1460, 1898, 3796, 3823, 4745, 7646, 9490, 15292, 18980, 19115, 38230, 49699, 76460, 99398, 198796, 248495, 279079, 496990, 558158, 993980, 1116316, 1395395, 2790790, 3628027, 5581580, 7256054, 14512108, 18140135, 36280270, 72560540]

約数ペア:

[(1, 72560540), (2, 36280270), (4, 18140135), (5, 14512108), (10, 7256054), (13, 5581580), (20, 3628027), (26, 2790790), (52, 1395395), (65, 1116316), (73, 993980), (130, 558158), (146, 496990), (260, 279079), (292, 248495), (365, 198796), (730, 99398), (949, 76460), (1460, 49699), (1898, 38230), (3796, 19115), (3823, 18980), (4745, 15292), (7646, 9490)]