28278820

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{2683}}^1$

素因数の和:2740

約数の個数: 48

約数和(自身を含む): 64931328

約数和(自身を除く): 36652508

約数列:

[1, 2, 4, 5, 10, 17, 20, 31, 34, 62, 68, 85, 124, 155, 170, 310, 340, 527, 620, 1054, 2108, 2635, 2683, 5270, 5366, 10540, 10732, 13415, 26830, 45611, 53660, 83173, 91222, 166346, 182444, 228055, 332692, 415865, 456110, 831730, 912220, 1413941, 1663460, 2827882, 5655764, 7069705, 14139410, 28278820]

約数ペア:

[(1, 28278820), (2, 14139410), (4, 7069705), (5, 5655764), (10, 2827882), (17, 1663460), (20, 1413941), (31, 912220), (34, 831730), (62, 456110), (68, 415865), (85, 332692), (124, 228055), (155, 182444), (170, 166346), (310, 91222), (340, 83173), (527, 53660), (620, 45611), (1054, 26830), (2108, 13415), (2635, 10732), (2683, 10540), (5270, 5366)]