9721016560

素因数分解:

$2^4\times 5^1\times {\mathrm{167}}^1\times {\mathrm{727621}}^1$

素因数の和:727801

約数の個数: 40

約数和(自身を含む): 22736732256

約数和(自身を除く): 13015715696

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 167, 334, 668, 835, 1336, 1670, 2672, 3340, 6680, 13360, 727621, 1455242, 2910484, 3638105, 5820968, 7276210, 11641936, 14552420, 29104840, 58209680, 121512707, 243025414, 486050828, 607563535, 972101656, 1215127070, 1944203312, 2430254140, 4860508280, 9721016560]

約数ペア:

[(1, 9721016560), (2, 4860508280), (4, 2430254140), (5, 1944203312), (8, 1215127070), (10, 972101656), (16, 607563535), (20, 486050828), (40, 243025414), (80, 121512707), (167, 58209680), (334, 29104840), (668, 14552420), (835, 11641936), (1336, 7276210), (1670, 5820968), (2672, 3638105), (3340, 2910484), (6680, 1455242), (13360, 727621)]