40025960

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{191}}^1$

素因数の和:259

約数の個数: 96

約数和(自身を含む): 101191680

約数和(自身を除く): 61165720

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 52, 62, 65, 104, 124, 130, 155, 169, 191, 248, 260, 310, 338, 382, 403, 520, 620, 676, 764, 806, 845, 955, 1240, 1352, 1528, 1612, 1690, 1910, 2015, 2483, 3224, 3380, 3820, 4030, 4966, 5239, 5921, 6760, 7640, 8060, 9932, 10478, 11842, 12415, 16120, 19864, 20956, 23684, 24830, 26195, 29605, 32279, 41912, 47368, 49660, 52390, 59210, 64558, 76973, 99320, 104780, 118420, 129116, 153946, 161395, 209560, 236840, 258232, 307892, 322790, 384865, 615784, 645580, 769730, 1000649, 1291160, 1539460, 2001298, 3078920, 4002596, 5003245, 8005192, 10006490, 20012980, 40025960]

約数ペア:

[(1, 40025960), (2, 20012980), (4, 10006490), (5, 8005192), (8, 5003245), (10, 4002596), (13, 3078920), (20, 2001298), (26, 1539460), (31, 1291160), (40, 1000649), (52, 769730), (62, 645580), (65, 615784), (104, 384865), (124, 322790), (130, 307892), (155, 258232), (169, 236840), (191, 209560), (248, 161395), (260, 153946), (310, 129116), (338, 118420), (382, 104780), (403, 99320), (520, 76973), (620, 64558), (676, 59210), (764, 52390), (806, 49660), (845, 47368), (955, 41912), (1240, 32279), (1352, 29605), (1528, 26195), (1612, 24830), (1690, 23684), (1910, 20956), (2015, 19864), (2483, 16120), (3224, 12415), (3380, 11842), (3820, 10478), (4030, 9932), (4966, 8060), (5239, 7640), (5921, 6760)]