80718128

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{191}}^1\times {\mathrm{433}}^1$

素因数の和:693

約数の個数: 40

約数和(自身を含む): 160156416

約数和(自身を除く): 79438288

約数列:

[1, 2, 4, 8, 16, 61, 122, 191, 244, 382, 433, 488, 764, 866, 976, 1528, 1732, 3056, 3464, 6928, 11651, 23302, 26413, 46604, 52826, 82703, 93208, 105652, 165406, 186416, 211304, 330812, 422608, 661624, 1323248, 5044883, 10089766, 20179532, 40359064, 80718128]

約数ペア:

[(1, 80718128), (2, 40359064), (4, 20179532), (8, 10089766), (16, 5044883), (61, 1323248), (122, 661624), (191, 422608), (244, 330812), (382, 211304), (433, 186416), (488, 165406), (764, 105652), (866, 93208), (976, 82703), (1528, 52826), (1732, 46604), (3056, 26413), (3464, 23302), (6928, 11651)]