22277840

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{691}}^1$

素因数の和:748

約数の個数: 80

約数和(自身を含む): 57662976

約数和(自身を除く): 35385136

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 40, 52, 62, 65, 80, 104, 124, 130, 155, 208, 248, 260, 310, 403, 496, 520, 620, 691, 806, 1040, 1240, 1382, 1612, 2015, 2480, 2764, 3224, 3455, 4030, 5528, 6448, 6910, 8060, 8983, 11056, 13820, 16120, 17966, 21421, 27640, 32240, 35932, 42842, 44915, 55280, 71864, 85684, 89830, 107105, 143728, 171368, 179660, 214210, 278473, 342736, 359320, 428420, 556946, 718640, 856840, 1113892, 1392365, 1713680, 2227784, 2784730, 4455568, 5569460, 11138920, 22277840]

約数ペア:

[(1, 22277840), (2, 11138920), (4, 5569460), (5, 4455568), (8, 2784730), (10, 2227784), (13, 1713680), (16, 1392365), (20, 1113892), (26, 856840), (31, 718640), (40, 556946), (52, 428420), (62, 359320), (65, 342736), (80, 278473), (104, 214210), (124, 179660), (130, 171368), (155, 143728), (208, 107105), (248, 89830), (260, 85684), (310, 71864), (403, 55280), (496, 44915), (520, 42842), (620, 35932), (691, 32240), (806, 27640), (1040, 21421), (1240, 17966), (1382, 16120), (1612, 13820), (2015, 11056), (2480, 8983), (2764, 8060), (3224, 6910), (3455, 6448), (4030, 5528)]