99208520

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{60493}}^1$

素因数の和:60545

約数の個数: 32

約数和(自身を含む): 228667320

約数和(自身を除く): 129458800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 60493, 120986, 241972, 302465, 483944, 604930, 1209860, 2419720, 2480213, 4960426, 9920852, 12401065, 19841704, 24802130, 49604260, 99208520]

約数ペア:

[(1, 99208520), (2, 49604260), (4, 24802130), (5, 19841704), (8, 12401065), (10, 9920852), (20, 4960426), (40, 2480213), (41, 2419720), (82, 1209860), (164, 604930), (205, 483944), (328, 302465), (410, 241972), (820, 120986), (1640, 60493)]