16289980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{5059}}^1$

素因数の和:5098

約数の個数: 48

約数和(自身を含む): 40803840

約数和(自身を除く): 24513860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 644, 805, 1610, 3220, 5059, 10118, 20236, 25295, 35413, 50590, 70826, 101180, 116357, 141652, 177065, 232714, 354130, 465428, 581785, 708260, 814499, 1163570, 1628998, 2327140, 3257996, 4072495, 8144990, 16289980]

約数ペア:

[(1, 16289980), (2, 8144990), (4, 4072495), (5, 3257996), (7, 2327140), (10, 1628998), (14, 1163570), (20, 814499), (23, 708260), (28, 581785), (35, 465428), (46, 354130), (70, 232714), (92, 177065), (115, 141652), (140, 116357), (161, 101180), (230, 70826), (322, 50590), (460, 35413), (644, 25295), (805, 20236), (1610, 10118), (3220, 5059)]