40590420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{4003}}^1$

素因数の和:4041

約数の個数: 72

約数和(自身を含む): 123098976

約数和(自身を除く): 82508556

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 169, 195, 260, 338, 390, 507, 676, 780, 845, 1014, 1690, 2028, 2535, 3380, 4003, 5070, 8006, 10140, 12009, 16012, 20015, 24018, 40030, 48036, 52039, 60045, 80060, 104078, 120090, 156117, 208156, 240180, 260195, 312234, 520390, 624468, 676507, 780585, 1040780, 1353014, 1561170, 2029521, 2706028, 3122340, 3382535, 4059042, 6765070, 8118084, 10147605, 13530140, 20295210, 40590420]

約数ペア:

[(1, 40590420), (2, 20295210), (3, 13530140), (4, 10147605), (5, 8118084), (6, 6765070), (10, 4059042), (12, 3382535), (13, 3122340), (15, 2706028), (20, 2029521), (26, 1561170), (30, 1353014), (39, 1040780), (52, 780585), (60, 676507), (65, 624468), (78, 520390), (130, 312234), (156, 260195), (169, 240180), (195, 208156), (260, 156117), (338, 120090), (390, 104078), (507, 80060), (676, 60045), (780, 52039), (845, 48036), (1014, 40030), (1690, 24018), (2028, 20015), (2535, 16012), (3380, 12009), (4003, 10140), (5070, 8006)]