40462900

素因数分解:

$2^2\times 5^2\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1$

素因数の和:265

約数の個数: 72

約数和(自身を含む): 91869120

約数和(自身を除く): 51406220

約数列:

[1, 2, 4, 5, 10, 20, 25, 41, 50, 71, 82, 100, 139, 142, 164, 205, 278, 284, 355, 410, 556, 695, 710, 820, 1025, 1390, 1420, 1775, 2050, 2780, 2911, 3475, 3550, 4100, 5699, 5822, 6950, 7100, 9869, 11398, 11644, 13900, 14555, 19738, 22796, 28495, 29110, 39476, 49345, 56990, 58220, 72775, 98690, 113980, 142475, 145550, 197380, 246725, 284950, 291100, 404629, 493450, 569900, 809258, 986900, 1618516, 2023145, 4046290, 8092580, 10115725, 20231450, 40462900]

約数ペア:

[(1, 40462900), (2, 20231450), (4, 10115725), (5, 8092580), (10, 4046290), (20, 2023145), (25, 1618516), (41, 986900), (50, 809258), (71, 569900), (82, 493450), (100, 404629), (139, 291100), (142, 284950), (164, 246725), (205, 197380), (278, 145550), (284, 142475), (355, 113980), (410, 98690), (556, 72775), (695, 58220), (710, 56990), (820, 49345), (1025, 39476), (1390, 29110), (1420, 28495), (1775, 22796), (2050, 19738), (2780, 14555), (2911, 13900), (3475, 11644), (3550, 11398), (4100, 9869), (5699, 7100), (5822, 6950)]