28946560

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1459}}^1$

素因数の和:1509

約数の個数: 64

約数和(自身を含む): 71481600

約数和(自身を除く): 42535040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 310, 320, 496, 620, 640, 992, 1240, 1459, 1984, 2480, 2918, 3968, 4960, 5836, 7295, 9920, 11672, 14590, 19840, 23344, 29180, 45229, 46688, 58360, 90458, 93376, 116720, 180916, 186752, 226145, 233440, 361832, 452290, 466880, 723664, 904580, 933760, 1447328, 1809160, 2894656, 3618320, 5789312, 7236640, 14473280, 28946560]

約数ペア:

[(1, 28946560), (2, 14473280), (4, 7236640), (5, 5789312), (8, 3618320), (10, 2894656), (16, 1809160), (20, 1447328), (31, 933760), (32, 904580), (40, 723664), (62, 466880), (64, 452290), (80, 361832), (124, 233440), (128, 226145), (155, 186752), (160, 180916), (248, 116720), (310, 93376), (320, 90458), (496, 58360), (620, 46688), (640, 45229), (992, 29180), (1240, 23344), (1459, 19840), (1984, 14590), (2480, 11672), (2918, 9920), (3968, 7295), (4960, 5836)]