91420240

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{191}}^1\times {\mathrm{193}}^1$

素因数の和:428

約数の個数: 80

約数和(自身を含む): 221700096

約数和(自身を除く): 130279856

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 191, 193, 248, 310, 382, 386, 496, 620, 764, 772, 955, 965, 1240, 1528, 1544, 1910, 1930, 2480, 3056, 3088, 3820, 3860, 5921, 5983, 7640, 7720, 11842, 11966, 15280, 15440, 23684, 23932, 29605, 29915, 36863, 47368, 47864, 59210, 59830, 73726, 94736, 95728, 118420, 119660, 147452, 184315, 236840, 239320, 294904, 368630, 473680, 478640, 589808, 737260, 1142753, 1474520, 2285506, 2949040, 4571012, 5713765, 9142024, 11427530, 18284048, 22855060, 45710120, 91420240]

約数ペア:

[(1, 91420240), (2, 45710120), (4, 22855060), (5, 18284048), (8, 11427530), (10, 9142024), (16, 5713765), (20, 4571012), (31, 2949040), (40, 2285506), (62, 1474520), (80, 1142753), (124, 737260), (155, 589808), (191, 478640), (193, 473680), (248, 368630), (310, 294904), (382, 239320), (386, 236840), (496, 184315), (620, 147452), (764, 119660), (772, 118420), (955, 95728), (965, 94736), (1240, 73726), (1528, 59830), (1544, 59210), (1910, 47864), (1930, 47368), (2480, 36863), (3056, 29915), (3088, 29605), (3820, 23932), (3860, 23684), (5921, 15440), (5983, 15280), (7640, 11966), (7720, 11842)]