61997840

素因数分解:

$2^4\times 5^1\times {\mathrm{101}}^1\times {\mathrm{7673}}^1$

素因数の和:7787

約数の個数: 40

約数和(自身を含む): 145591128

約数和(自身を除く): 83593288

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 101, 202, 404, 505, 808, 1010, 1616, 2020, 4040, 7673, 8080, 15346, 30692, 38365, 61384, 76730, 122768, 153460, 306920, 613840, 774973, 1549946, 3099892, 3874865, 6199784, 7749730, 12399568, 15499460, 30998920, 61997840]

約数ペア:

[(1, 61997840), (2, 30998920), (4, 15499460), (5, 12399568), (8, 7749730), (10, 6199784), (16, 3874865), (20, 3099892), (40, 1549946), (80, 774973), (101, 613840), (202, 306920), (404, 153460), (505, 122768), (808, 76730), (1010, 61384), (1616, 38365), (2020, 30692), (4040, 15346), (7673, 8080)]