2015383880

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{157}}^1\times {\mathrm{5261}}^1$

素因数の和:5490

約数の個数: 64

約数和(自身を含む): 4639189680

約数和(自身を除く): 2623805800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 157, 244, 305, 314, 488, 610, 628, 785, 1220, 1256, 1570, 2440, 3140, 5261, 6280, 9577, 10522, 19154, 21044, 26305, 38308, 42088, 47885, 52610, 76616, 95770, 105220, 191540, 210440, 320921, 383080, 641842, 825977, 1283684, 1604605, 1651954, 2567368, 3209210, 3303908, 4129885, 6418420, 6607816, 8259770, 12836840, 16519540, 33039080, 50384597, 100769194, 201538388, 251922985, 403076776, 503845970, 1007691940, 2015383880]

約数ペア:

[(1, 2015383880), (2, 1007691940), (4, 503845970), (5, 403076776), (8, 251922985), (10, 201538388), (20, 100769194), (40, 50384597), (61, 33039080), (122, 16519540), (157, 12836840), (244, 8259770), (305, 6607816), (314, 6418420), (488, 4129885), (610, 3303908), (628, 3209210), (785, 2567368), (1220, 1651954), (1256, 1604605), (1570, 1283684), (2440, 825977), (3140, 641842), (5261, 383080), (6280, 320921), (9577, 210440), (10522, 191540), (19154, 105220), (21044, 95770), (26305, 76616), (38308, 52610), (42088, 47885)]