1640226725

素因数分解:

$5^2\times {\mathrm{17}}^2\times {\mathrm{379}}^1\times {\mathrm{599}}^1$

素因数の和:1022

約数の個数: 36

約数和(自身を含む): 2169876000

約数和(自身を除く): 529649275

約数列:

[1, 5, 17, 25, 85, 289, 379, 425, 599, 1445, 1895, 2995, 6443, 7225, 9475, 10183, 14975, 32215, 50915, 109531, 161075, 173111, 227021, 254575, 547655, 865555, 1135105, 2738275, 3859357, 4327775, 5675525, 19296785, 65609069, 96483925, 328045345, 1640226725]

約数ペア:

[(1, 1640226725), (5, 328045345), (17, 96483925), (25, 65609069), (85, 19296785), (289, 5675525), (379, 4327775), (425, 3859357), (599, 2738275), (1445, 1135105), (1895, 865555), (2995, 547655), (6443, 254575), (7225, 227021), (9475, 173111), (10183, 161075), (14975, 109531), (32215, 50915)]