40091896

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{389}}^1\times {\mathrm{991}}^1$

素因数の和:1399

約数の個数: 32

約数和(自身を含む): 81244800

約数和(自身を除く): 41152904

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 389, 778, 991, 1556, 1982, 3112, 3964, 5057, 7928, 10114, 12883, 20228, 25766, 40456, 51532, 103064, 385499, 770998, 1541996, 3083992, 5011487, 10022974, 20045948, 40091896]

約数ペア:

[(1, 40091896), (2, 20045948), (4, 10022974), (8, 5011487), (13, 3083992), (26, 1541996), (52, 770998), (104, 385499), (389, 103064), (778, 51532), (991, 40456), (1556, 25766), (1982, 20228), (3112, 12883), (3964, 10114), (5057, 7928)]