28139320

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{2063}}^1$

素因数の和:2116

約数の個数: 64

約数和(自身を含む): 71331840

約数和(自身を除く): 43192520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 31, 40, 44, 55, 62, 88, 110, 124, 155, 220, 248, 310, 341, 440, 620, 682, 1240, 1364, 1705, 2063, 2728, 3410, 4126, 6820, 8252, 10315, 13640, 16504, 20630, 22693, 41260, 45386, 63953, 82520, 90772, 113465, 127906, 181544, 226930, 255812, 319765, 453860, 511624, 639530, 703483, 907720, 1279060, 1406966, 2558120, 2813932, 3517415, 5627864, 7034830, 14069660, 28139320]

約数ペア:

[(1, 28139320), (2, 14069660), (4, 7034830), (5, 5627864), (8, 3517415), (10, 2813932), (11, 2558120), (20, 1406966), (22, 1279060), (31, 907720), (40, 703483), (44, 639530), (55, 511624), (62, 453860), (88, 319765), (110, 255812), (124, 226930), (155, 181544), (220, 127906), (248, 113465), (310, 90772), (341, 82520), (440, 63953), (620, 45386), (682, 41260), (1240, 22693), (1364, 20630), (1705, 16504), (2063, 13640), (2728, 10315), (3410, 8252), (4126, 6820)]