61050020

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{163}}^1\times {\mathrm{307}}^1$

素因数の和:540

約数の個数: 48

約数和(自身を含む): 131533248

約数和(自身を除く): 70483228

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 163, 244, 305, 307, 326, 610, 614, 652, 815, 1220, 1228, 1535, 1630, 3070, 3260, 6140, 9943, 18727, 19886, 37454, 39772, 49715, 50041, 74908, 93635, 99430, 100082, 187270, 198860, 200164, 250205, 374540, 500410, 1000820, 3052501, 6105002, 12210004, 15262505, 30525010, 61050020]

約数ペア:

[(1, 61050020), (2, 30525010), (4, 15262505), (5, 12210004), (10, 6105002), (20, 3052501), (61, 1000820), (122, 500410), (163, 374540), (244, 250205), (305, 200164), (307, 198860), (326, 187270), (610, 100082), (614, 99430), (652, 93635), (815, 74908), (1220, 50041), (1228, 49715), (1535, 39772), (1630, 37454), (3070, 19886), (3260, 18727), (6140, 9943)]