28590320

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{613}}^1$

素因数の和:690

約数の個数: 80

約数和(自身を含む): 74004192

約数和(自身を除く): 45413872

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 53, 55, 80, 88, 106, 110, 176, 212, 220, 265, 424, 440, 530, 583, 613, 848, 880, 1060, 1166, 1226, 2120, 2332, 2452, 2915, 3065, 4240, 4664, 4904, 5830, 6130, 6743, 9328, 9808, 11660, 12260, 13486, 23320, 24520, 26972, 32489, 33715, 46640, 49040, 53944, 64978, 67430, 107888, 129956, 134860, 162445, 259912, 269720, 324890, 357379, 519824, 539440, 649780, 714758, 1299560, 1429516, 1786895, 2599120, 2859032, 3573790, 5718064, 7147580, 14295160, 28590320]

約数ペア:

[(1, 28590320), (2, 14295160), (4, 7147580), (5, 5718064), (8, 3573790), (10, 2859032), (11, 2599120), (16, 1786895), (20, 1429516), (22, 1299560), (40, 714758), (44, 649780), (53, 539440), (55, 519824), (80, 357379), (88, 324890), (106, 269720), (110, 259912), (176, 162445), (212, 134860), (220, 129956), (265, 107888), (424, 67430), (440, 64978), (530, 53944), (583, 49040), (613, 46640), (848, 33715), (880, 32489), (1060, 26972), (1166, 24520), (1226, 23320), (2120, 13486), (2332, 12260), (2452, 11660), (2915, 9808), (3065, 9328), (4240, 6743), (4664, 6130), (4904, 5830)]