65212940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{307}}^1$

素因数の和:391

約数の個数: 96

約数和(自身を含む): 159371520

約数和(自身を除く): 94158580

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 43, 52, 65, 76, 86, 95, 130, 172, 190, 215, 247, 260, 307, 380, 430, 494, 559, 614, 817, 860, 988, 1118, 1228, 1235, 1535, 1634, 2236, 2470, 2795, 3070, 3268, 3991, 4085, 4940, 5590, 5833, 6140, 7982, 8170, 10621, 11180, 11666, 13201, 15964, 16340, 19955, 21242, 23332, 26402, 29165, 39910, 42484, 52804, 53105, 58330, 66005, 75829, 79820, 106210, 116660, 132010, 151658, 171613, 212420, 250819, 264020, 303316, 343226, 379145, 501638, 686452, 758290, 858065, 1003276, 1254095, 1516580, 1716130, 2508190, 3260647, 3432260, 5016380, 6521294, 13042588, 16303235, 32606470, 65212940]

約数ペア:

[(1, 65212940), (2, 32606470), (4, 16303235), (5, 13042588), (10, 6521294), (13, 5016380), (19, 3432260), (20, 3260647), (26, 2508190), (38, 1716130), (43, 1516580), (52, 1254095), (65, 1003276), (76, 858065), (86, 758290), (95, 686452), (130, 501638), (172, 379145), (190, 343226), (215, 303316), (247, 264020), (260, 250819), (307, 212420), (380, 171613), (430, 151658), (494, 132010), (559, 116660), (614, 106210), (817, 79820), (860, 75829), (988, 66005), (1118, 58330), (1228, 53105), (1235, 52804), (1535, 42484), (1634, 39910), (2236, 29165), (2470, 26402), (2795, 23332), (3070, 21242), (3268, 19955), (3991, 16340), (4085, 15964), (4940, 13201), (5590, 11666), (5833, 11180), (6140, 10621), (7982, 8170)]