40512940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{139}}^1$

素因数の和:239

約数の個数: 96

約数和(自身を含む): 98784000

約数和(自身を除く): 58271060

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 59, 65, 76, 95, 118, 130, 139, 190, 236, 247, 260, 278, 295, 380, 494, 556, 590, 695, 767, 988, 1121, 1180, 1235, 1390, 1534, 1807, 2242, 2470, 2641, 2780, 3068, 3614, 3835, 4484, 4940, 5282, 5605, 7228, 7670, 8201, 9035, 10564, 11210, 13205, 14573, 15340, 16402, 18070, 22420, 26410, 29146, 32804, 34333, 36140, 41005, 52820, 58292, 68666, 72865, 82010, 106613, 137332, 145730, 155819, 164020, 171665, 213226, 291460, 311638, 343330, 426452, 533065, 623276, 686660, 779095, 1066130, 1558190, 2025647, 2132260, 3116380, 4051294, 8102588, 10128235, 20256470, 40512940]

約数ペア:

[(1, 40512940), (2, 20256470), (4, 10128235), (5, 8102588), (10, 4051294), (13, 3116380), (19, 2132260), (20, 2025647), (26, 1558190), (38, 1066130), (52, 779095), (59, 686660), (65, 623276), (76, 533065), (95, 426452), (118, 343330), (130, 311638), (139, 291460), (190, 213226), (236, 171665), (247, 164020), (260, 155819), (278, 145730), (295, 137332), (380, 106613), (494, 82010), (556, 72865), (590, 68666), (695, 58292), (767, 52820), (988, 41005), (1121, 36140), (1180, 34333), (1235, 32804), (1390, 29146), (1534, 26410), (1807, 22420), (2242, 18070), (2470, 16402), (2641, 15340), (2780, 14573), (3068, 13205), (3614, 11210), (3835, 10564), (4484, 9035), (4940, 8201), (5282, 7670), (5605, 7228)]