40690910

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{439}}^1$

素因数の和:513

約数の個数: 64

約数和(自身を含む): 85155840

約数和(自身を除く): 44464930

約数列:

[1, 2, 5, 10, 13, 23, 26, 31, 46, 62, 65, 115, 130, 155, 230, 299, 310, 403, 439, 598, 713, 806, 878, 1426, 1495, 2015, 2195, 2990, 3565, 4030, 4390, 5707, 7130, 9269, 10097, 11414, 13609, 18538, 20194, 27218, 28535, 46345, 50485, 57070, 68045, 92690, 100970, 131261, 136090, 176917, 262522, 313007, 353834, 626014, 656305, 884585, 1312610, 1565035, 1769170, 3130070, 4069091, 8138182, 20345455, 40690910]

約数ペア:

[(1, 40690910), (2, 20345455), (5, 8138182), (10, 4069091), (13, 3130070), (23, 1769170), (26, 1565035), (31, 1312610), (46, 884585), (62, 656305), (65, 626014), (115, 353834), (130, 313007), (155, 262522), (230, 176917), (299, 136090), (310, 131261), (403, 100970), (439, 92690), (598, 68045), (713, 57070), (806, 50485), (878, 46345), (1426, 28535), (1495, 27218), (2015, 20194), (2195, 18538), (2990, 13609), (3565, 11414), (4030, 10097), (4390, 9269), (5707, 7130)]