800715890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{2729}}^1$

素因数の和:2847

約数の個数: 64

約数和(自身を含む): 1620833760

約数和(自身を除く): 820117870

約数列:

[1, 2, 5, 10, 13, 26, 37, 61, 65, 74, 122, 130, 185, 305, 370, 481, 610, 793, 962, 1586, 2257, 2405, 2729, 3965, 4514, 4810, 5458, 7930, 11285, 13645, 22570, 27290, 29341, 35477, 58682, 70954, 100973, 146705, 166469, 177385, 201946, 293410, 332938, 354770, 504865, 832345, 1009730, 1312649, 1664690, 2164097, 2625298, 4328194, 6159353, 6563245, 10820485, 12318706, 13126490, 21640970, 30796765, 61593530, 80071589, 160143178, 400357945, 800715890]

約数ペア:

[(1, 800715890), (2, 400357945), (5, 160143178), (10, 80071589), (13, 61593530), (26, 30796765), (37, 21640970), (61, 13126490), (65, 12318706), (74, 10820485), (122, 6563245), (130, 6159353), (185, 4328194), (305, 2625298), (370, 2164097), (481, 1664690), (610, 1312649), (793, 1009730), (962, 832345), (1586, 504865), (2257, 354770), (2405, 332938), (2729, 293410), (3965, 201946), (4514, 177385), (4810, 166469), (5458, 146705), (7930, 100973), (11285, 70954), (13645, 58682), (22570, 35477), (27290, 29341)]