1040416

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1$

素因数の和:125

約数の個数: 48

約数和(自身を含む): 2296728

約数和(自身を除く): 1256312

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 41, 52, 61, 82, 104, 122, 164, 208, 244, 328, 416, 488, 533, 656, 793, 976, 1066, 1312, 1586, 1952, 2132, 2501, 3172, 4264, 5002, 6344, 8528, 10004, 12688, 17056, 20008, 25376, 32513, 40016, 65026, 80032, 130052, 260104, 520208, 1040416]

約数ペア:

[(1, 1040416), (2, 520208), (4, 260104), (8, 130052), (13, 80032), (16, 65026), (26, 40016), (32, 32513), (41, 25376), (52, 20008), (61, 17056), (82, 12688), (104, 10004), (122, 8528), (164, 6344), (208, 5002), (244, 4264), (328, 3172), (416, 2501), (488, 2132), (533, 1952), (656, 1586), (793, 1312), (976, 1066)]