38615980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{7817}}^1$

素因数の和:7858

約数の個数: 48

約数和(自身を含む): 91939680

約数和(自身を除く): 53323700

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 988, 1235, 2470, 4940, 7817, 15634, 31268, 39085, 78170, 101621, 148523, 156340, 203242, 297046, 406484, 508105, 594092, 742615, 1016210, 1485230, 1930799, 2032420, 2970460, 3861598, 7723196, 9653995, 19307990, 38615980]

約数ペア:

[(1, 38615980), (2, 19307990), (4, 9653995), (5, 7723196), (10, 3861598), (13, 2970460), (19, 2032420), (20, 1930799), (26, 1485230), (38, 1016210), (52, 742615), (65, 594092), (76, 508105), (95, 406484), (130, 297046), (190, 203242), (247, 156340), (260, 148523), (380, 101621), (494, 78170), (988, 39085), (1235, 31268), (2470, 15634), (4940, 7817)]