78996580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{10477}}^1$

素因数の和:10528

約数の個数: 48

約数和(自身を含む): 184831920

約数和(自身を除く): 105835340

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 29, 52, 58, 65, 116, 130, 145, 260, 290, 377, 580, 754, 1508, 1885, 3770, 7540, 10477, 20954, 41908, 52385, 104770, 136201, 209540, 272402, 303833, 544804, 607666, 681005, 1215332, 1362010, 1519165, 2724020, 3038330, 3949829, 6076660, 7899658, 15799316, 19749145, 39498290, 78996580]

約数ペア:

[(1, 78996580), (2, 39498290), (4, 19749145), (5, 15799316), (10, 7899658), (13, 6076660), (20, 3949829), (26, 3038330), (29, 2724020), (52, 1519165), (58, 1362010), (65, 1215332), (116, 681005), (130, 607666), (145, 544804), (260, 303833), (290, 272402), (377, 209540), (580, 136201), (754, 104770), (1508, 52385), (1885, 41908), (3770, 20954), (7540, 10477)]