16478540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{1039}}^1$

素因数の和:1122

約数の個数: 48

約数和(自身を含む): 37914240

約数和(自身を除く): 21435700

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 61, 65, 122, 130, 244, 260, 305, 610, 793, 1039, 1220, 1586, 2078, 3172, 3965, 4156, 5195, 7930, 10390, 13507, 15860, 20780, 27014, 54028, 63379, 67535, 126758, 135070, 253516, 270140, 316895, 633790, 823927, 1267580, 1647854, 3295708, 4119635, 8239270, 16478540]

約数ペア:

[(1, 16478540), (2, 8239270), (4, 4119635), (5, 3295708), (10, 1647854), (13, 1267580), (20, 823927), (26, 633790), (52, 316895), (61, 270140), (65, 253516), (122, 135070), (130, 126758), (244, 67535), (260, 63379), (305, 54028), (610, 27014), (793, 20780), (1039, 15860), (1220, 13507), (1586, 10390), (2078, 7930), (3172, 5195), (3965, 4156)]