520033540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{32789}}^1$

素因数の和:32872

約数の個数: 48

約数和(自身を含む): 1195392240

約数和(自身を除く): 675358700

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 61, 65, 122, 130, 244, 260, 305, 610, 793, 1220, 1586, 3172, 3965, 7930, 15860, 32789, 65578, 131156, 163945, 327890, 426257, 655780, 852514, 1705028, 2000129, 2131285, 4000258, 4262570, 8000516, 8525140, 10000645, 20001290, 26001677, 40002580, 52003354, 104006708, 130008385, 260016770, 520033540]

約数ペア:

[(1, 520033540), (2, 260016770), (4, 130008385), (5, 104006708), (10, 52003354), (13, 40002580), (20, 26001677), (26, 20001290), (52, 10000645), (61, 8525140), (65, 8000516), (122, 4262570), (130, 4000258), (244, 2131285), (260, 2000129), (305, 1705028), (610, 852514), (793, 655780), (1220, 426257), (1586, 327890), (3172, 163945), (3965, 131156), (7930, 65578), (15860, 32789)]