1285804780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{877}}^1\times {\mathrm{5639}}^1$

素因数の和:6538

約数の個数: 48

約数和(自身を含む): 2911728960

約数和(自身を除く): 1625924180

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 877, 1754, 3508, 4385, 5639, 8770, 11278, 11401, 17540, 22556, 22802, 28195, 45604, 56390, 57005, 73307, 112780, 114010, 146614, 228020, 293228, 366535, 733070, 1466140, 4945403, 9890806, 19781612, 24727015, 49454030, 64290239, 98908060, 128580478, 257160956, 321451195, 642902390, 1285804780]

約数ペア:

[(1, 1285804780), (2, 642902390), (4, 321451195), (5, 257160956), (10, 128580478), (13, 98908060), (20, 64290239), (26, 49454030), (52, 24727015), (65, 19781612), (130, 9890806), (260, 4945403), (877, 1466140), (1754, 733070), (3508, 366535), (4385, 293228), (5639, 228020), (8770, 146614), (11278, 114010), (11401, 112780), (17540, 73307), (22556, 57005), (22802, 56390), (28195, 45604)]